testo 872 - Thermal Imager Instruction manual Short instructions Thermography pocket guide Instruction manual Videos
Contents Contents 1 Safety and waste disposal ................................................................... 5 1.1 Zu diesem Dokument .............................................................................5 1.2 Safety .....................................................................................................5 1.3 Waste disposal .......................................................................................7 2 Technical data ...................................................
Contents 7.7 Selecting the colour palette ................................................................. 32 7.8 Activating/disabling the zoom ............................................................. 32 7.9 Activating/disabling the laser............................................................... 32 7.10 Activating humidity, solar or electrical mode ....................................... 33 7.11 Activating the differential temperature................................................. 33 7.
1 Safety and waste disposal 1 Safety and waste disposal 1.1 Zu diesem Dokument • The instruction manual is an integral part of the instrument. • Keep this document throughout the entire operating life of the instrument. • Always use the complete original instruction manual. • Please read this instruction manual through carefully and familiarise yourself with the product before putting it to use. • Pass this instruction manual on to any additional or subsequent users of the product.
1 Safety and waste disposal Batteries • Improper use of batteries may cause the batteries to be destroyed, or lead to injury due to current surges, fire or escaping chemicals. • Only use the batteries supplied in accordance with the instructions in the instruction manual. • Do not short-circuit the batteries. • Do not take the batteries apart and do not modify them. • Do not expose the batteries to heavy impacts, water, fire or temperatures in excess of 60 °C.
2 Technical data 1.3 Waste disposal • Dispose of faulty rechargeable batteries and spent batteries in accordance with the valid legal specifications. • At the end of its useful life, dispose of the instrument via separate collection for electrical and electronic devices. Please observe local regulations regarding waste disposal, or alternatively return the product to Testo for disposal. 2 Technical data 2.
2 Technical data Visual image output Feature Values Image size / min. focusing distance Min. 3.1 MP / 0.5 m Image presentation Feature Display Digital zoom Display options Interface Colour palettes Values 8.9 cm (3.5") TFT, QVGA (320 x 240 pixels) 2x, 3x, 4x • Infrared image • Real image • WLAN • Bluetooth • USB 2.
2 Technical data Measurement functions • Single point measurement • Coldspot • Hotspot • Differential temperature • Area measurement • ScaleAssist • IFOV warner • Surface moisture distribution • Humidity measurement with testo 605i humidity probe • Solar mode (manual) • Electrical mode (manual) • Electrical measurement with testo 770 wireless clamp meter Imager equipment Feature Digital camera Fullscreen mode File format Video streaming Values Yes Yes .
2 Technical data Memory capacity Internal mass storage 2.8 GB, > 2000 images (without SuperResolution) Power supply Feature Values Battery type Operating time Charging option Charging time Li-Ion rechargeable battery 2500 mAh / 3.7 V 4.0 h @ 20 °C In instrument/in charging station (optional) approx. 5 h via mains unit approx.
3 Description of the instrument 3 Description of the instrument 3.1 Use The testo 872 is a handy, robust thermal imager. You can use it to undertake the non-contact measurement and display of surface temperature distribution.
3 Description of the instrument Element 4 - OK key - Joystick 5 Quick select button 6 Infrared camera lens; protective cap 7 Digital camera 8 Laser 9 Trigger 10 Battery compartment Function - Open menu, select function, confirm setting - Navigate within the menu, highlight function, select colour palette Opens the function assigned to the quick select button; the icon for the selected function is displayed bottom right Takes infrared images; protects the lens Takes real images Marking of the measuring po
3 Description of the instrument Element 1 Status bar 2 3 Image display 4 °C or °F 5 Scale 6 A, M or S 7 E ... Function In the status bar, values are displayed depending on the setting.
4 Operation 4 Operation 4.1 Initial operation Please read the testo 872 1st steps commissioning instructions supplied (0970 8652). 4.2 Switching instrument on and off Switching on the camera 1 - Remove protective cap from the lens. 2 - Press . The camera starts. The start screen appears on the display. The camera carries out automatic zeroing approx. every 60 seconds in order to guarantee measuring accuracy. A "click" is heard when this happens. The image freezes briefly when this occurs.
4 Operation Switching off the camera 1 - Press and hold down until the progress bar is complete. The display goes off. The camera is switched off. 4.3 Getting to know the menu 1 - Press OK to open the menu. 2 - Move the joystick down/up to highlight a function (orange border). 3 - Press OK to select the function. 3.1 - Move the joystick to the right to open the submenu (marked with >). - Return to the main menu: o o Move the joystick to the left or Move the joystick to the menu bar and press OK.
4 Operation 4.4 Quick select button The quick select button is another navigation option that you can use to call up certain functions simply at the touch of a button. Quick select menu items Menu item Function Image gallery Scale This function is only available if the Image type is set to infrared) Emissivity This function is only available if the Image type is set to infrared) Opens an overview of saved images. Set scale limits.
4 Operation 2 - Move the joystick up/down until the orange box appears around the required menu item. - Press OK The quick select button is assigned to the selected menu item. The icon for the selected function is displayed bottom right. Using the quick select button 1 - Press . The function assigned to the quick select button is carried out.
5 WLAN connection - using the App 5 WLAN connection - using the App 5.1 Activating/disabling the connection To connect via WLAN, you need a tablet or smartphone with the Testo Thermography App already installed on it. You can get the App from the App Store for iOS devices or from the Play Store for Android devices. Compatibility: Requires iOS 8.3 or later/Android 4.3 or later 1 - Open Menu. 2 - Move the joystick down and select Configuration. - Press OK or move the joystick to the right.
5 WLAN connection - using the App 5.2 Using the App 5.2.1 Establishing a connection - WLAN is activated in the thermal imager. 1 - Smartphone/tablet -> Settings -> WLAN settings -> camera is shown with serial number and can be selected. 2 - Press Connect. The WLAN connection to the thermal imager is established. 5.2.2 Select display Second display - The thermal imager is connected via WLAN. 1 - Selection -> 2nd display The display on the thermal imager is shown on your mobile end device.
6 Bluetooth® connection Gallery - The thermal imager is connected via WLAN. 1 - Selection -> Gallery The saved images are displayed and can be managed. 6 Bluetooth® connection A connection between the thermal imager and the testo 605i humidity probe or testo 770-3 clamp meter can be established via Bluetooth®. Bluetooth® 4.0 required 1 - Open Menu. 2 - Move the joystick down and select Configuration. - Press OK or move the joystick to the right. 3 - Move the joystick down and select Connectivity.
6 Bluetooth® connection When connected to the clamp meter Clamp meter readings are displayed in the header. Readings are only transferred if the current, voltage or power is set on the clamp meter. When connected to the humidity probe The thermal imager switches automatically to humidity measurement. Humidity probe readings are displayed in the header. If a WLAN connection is enabled in addition, the Bluetooth data transfer is continued.
7 Performing the measurement 7 Performing the measurement CAUTION High thermal radiation (e.g. due to sun, fire, furnaces) Detector may be damaged! - Do not point the camera at objects with temperatures > 650 °C. Ideal framework conditions • Building thermography, investigating the building shell: Considerable temperature difference between inside and outside required (ideal: ≥ 15 °C / ≥ 27 °F). • Consistent weather conditions, no intensive sunlight, no precipitation, no strong wind.
7 Performing the measurement 7.2 Setting measuring functions 1 - Open the Measurement submenu. The submenu with the measurement functions opens: • Pixel mark: • Single point measurement: the temperature measuring point in the centre of the image is marked with white crosshairs and the value is displayed. In saved images, the crosshairs can be moved using the joystick in order to read the value of other measuring points.
7 Performing the measurement 7.3 Image gallery Saved images can be displayed, analysed or deleted. File names Designation 1 2 IR 000000 SR Explanation Infrared image preview Infrared image with attached real image Consecutive number Images captured with SuperResolution File names can be changed via the PC, e.g. in Windows Explorer. Displaying a saved image Saved images can be viewed and analyzed in the image gallery.
7 Performing the measurement 1 - Select the Image gallery function. All saved images are displayed in the form of an infrared preview. 2 - Move joystick to select an image. 3 - Press OK to open the selected image. The image is displayed. Analyzing an image If an image is saved with SuperResolution, the image gallery contains an (IR) image and a high-resolution image (SR). The images show the same image section. They can be displayed and analyzed in the image gallery.
7 Performing the measurement Deleting an image 1 - Select the Image gallery function. All saved images are displayed in the form of an infrared preview. 2 - Move joystick to select an image. 3 - Press . Delete image? is displayed. 4 - Press OK to delete the image. 4.1 - Press Esc to cancel the process.
7 Performing the measurement 7.4 Image type The display can be switched between infrared image and real image (digital camera). 1 - Select the Image type function. 2 - Move the joystick up or down and choose between infrared image or real image view. 3 - Press OK to confirm the selection. 7.5 Setting the scale Manual scaling can be activated instead of automatic scaling (continuous automatic adjustment to the current min./max. values). The scale limits can be set within the measurement range.
7 Performing the measurement Setting manual scaling The lower limit value, the temperature range (upper and lower limit value simultaneously) and the upper limit value can be set. 1 - Select the Scale function. 2 - Press OK. 3 - In the mode menu, move the joystick up/down until Manual is selected. 4 - Move the joystick to the right, select Min.Temp. (lower limit value). - Move the joystick up/down to set the value. 4.1 - Move the joystick to the right, select Min.Temp. (lower limit value) and Max.Temp.
7 Performing the measurement 4 - Move the joystick to the right, select Indoor temperature. - Move the joystick up/down to set the value. 5 - Move the joystick to the right, select Outdoor temperature. - Move the joystick up/down to set the value. 6 - If necessary, move the joystick to the left, back to the mode menu. 7 - Activate ScaleAssist: press Ok. Manual scaling is activated. S is displayed bottom right. 7.
7 Performing the measurement Material (material temperature) Emissivity Aluminium, bright rolled (170 °C) Cotton (20 °C) Concrete (25 °C) Ice, smooth (0 °C) Iron, emery-ground (20 °C) Iron with casting skin (100 °C) Iron with rolling skin (20 °C) Gypsum (20 °C) Glass (90 °C) Rubber, hard (23 °C) Rubber, soft grey (23 °C) Wood (70 °C) Cork (20 °C) Radiator, black anodised (50 °C) Copper, slightly tarnished (20 °C) Copper, oxidised (130 °C) Plastics: PE, PP, PVC (20 °C) Brass, oxidised (200 °C) Paper (20 °
7 Performing the measurement @ Further information can be found in the Pocket Guide. 7.6.1 Selecting the emissivity 1 - Select the Emissivity function. 2 - Move the joystick up/down to select the required material (with permanently set emissivity) and then press OK. 7.6.2 Customizing the emissivity 1 - Select the Emissivity function. 2 - Move the joystick up/down until User defined is selected. - Move the joystick to the right until E is selected. - Manually set value. 3 - Press OK. 7.6.
7 Performing the measurement 4 - Affix ε-marker to the object and measure with the camera. RTC and emissivity are set automatically. 5 - Press OK. If it is not physically possible to determine the emissivity due to the same object temperature and reflected temperature, the input field opens again. The emission value must be input manually. 7.7 Selecting the colour palette This function is only available if the Image type is set to infrared image. 1 - Select the Palette function.
7 Performing the measurement 7.10 Activating humidity, solar or electrical mode 1 - Open Menu. 2 - Move the joystick down and select Measurement. Then press OK or move the joystick to the right. 3 - Move the joystick down and select External measurement values. Then press OK. 4 - Move the joystick up/down and activate Humidity, Current, Voltage, Solar or Power. - If no radio probe is connected, enter the values manually. - If a radio probe is connected, values are transferred automatically.
7 Performing the measurement 4 - Move the joystick down/up and select which differential temperature is to be calculated (Point-Point, Point-Probe, Point-Value, PointRTC). Then press OK. 4.1 - Point-Point selection: o o o Move the joystick to the right -> select measuring point 1 -> press OK -> move the measuring point to the live image using the joystick -> press OK.
7 Performing the measurement 7.12 Activating/disabling the Min/Max on Area function 1 - Open Menu. 2 - Move the joystick down and select Measurement. Then press OK or move the joystick to the right. 3 - Move the joystick down and select Min/Max on Area. Then press OK or move the joystick to the right. 4 - Select Min/Max on Area and press OK to activate (✔) or disable the function. - Select Hotspot / Coldspot and press OK to activate (✔) or disable the function.
7 Performing the measurement Set time/date Time and date can be set. The time and date format are set automatically based on the selected user interface language. 1 - Select the Set time/date function. 2 - Move the joystick to the right/left to select the required setting option. 3 - Move the joystick up/down to set the value. 4 - After setting all values, press OK. Temperature unit The temperature unit can be set. 1 - Open the Temperature unit submenu. For how to proceed: see Getting to know the menu.
7 Performing the measurement 7.13.2 SuperResolution SuperResolution is a technology to improve image quality. Each time an image is recorded, a sequence of images is saved on the thermal imager and used to calculate an image with four times more readings, with the aid of the PC software (no interpolation). The geometric resolution (IFOV) is improved by a factor of 1.6. To use the function, the following conditions must be fulfilled: • The camera is hand-held. • The objects to be imaged do not move.
7 Performing the measurement 7.13.4 Connectivity Enable/disable WLAN or Bluetooth® 1 - Menu -> Configuration -> Connectivity 2 - Move the joystick to the right (>). - Select WLAN and press OK to enable (✔) or disable the function. - Select Bluetooth and press OK to enable (✔) or disable the function. 3 - Press Esc to cancel the process. If there is an active Bluetooth connection and a WLAN connection is activated in addition, the Bluetooth data transfer is continued.
7 Performing the measurement 7.13.6 Info The following instrument information is displayed: • Device data (e.g. serial number, device name, firmware version) • Options • Measurement functions • WiFi • Radio certifications • Legal information 7.13.7 Fullscreen mode The scale and the quick select button function indicator can be hidden. 1 - Select the Fullscreen mode function. When Fullscreen Mode is activated, the scale and icon for the quick select button are hidden.
7 Performing the measurement Factory settings The instrument settings can be reset to the factory settings. Time/date, country settings and counter are not reset. 1 - Menu -> Configuration -> Reset options. 2 - Select the Factory settings function. Apply factory settings? is displayed. 3 - Press OK to apply factory settings. 2.1 - Press Esc to cancel the process. Formatting The image memory can be formatted. When formatting, all data saved in the memory is lost.
8 Maintenance 8 Maintenance 8.1 Charging the rechargeable battery 1 - Open the cover of the interface terminal. 2 - Connect the recharger cable to the Micro-USB interface. 3 - Connect the mains unit to a mains socket. The charging process will start. If the battery has been completely drained, the charging time is approx. 5 hours. The charge status is not displayed while the instrument is switched off. 4 - Switch on the instrument to call up the charge status.
8 Maintenance 1 - Switch the instrument off. 2 - Open the battery compartment. 3 - Release the battery and remove.
8 Maintenance 4 - Insert new battery and slide upwards until it clicks into place. 5 - Close the battery compartment. 8.3 Cleaning the instrument Cleaning the instrument housing - The interface terminal is closed. - The battery compartment is closed. 1 - Rub down the surface of the instrument with a damp cloth. Use mild household cleaning agents or soapy water for this. Cleaning the lens and display 1 - If the lens is dirty, clean it with a cotton bud.
9 Tips and assistance 9 Tips and assistance 9.1 Questions and answers Question Possible cause / solution Error! Memory full! is displayed. Error! Permissible instrument temperature exceeded! is displayed. ~ is displayed before a value. Insufficient memory available: Transfer images to the PC or delete. Switch off the camera, allow the instrument to cool down and observe the permissible ambient temperature. Value is outside the measuring range: extended display range with no guarantee of accuracy.
9 Tips and assistance 9.2 Accessories and spare parts Description Article no.
10 Authorizations and certification 10 Authorizations and certification Product Mat.-No. testo 865 testo 868 testo 871 testo 872 0560 8650 0560 8680, 0560 8681 0560 8711, 0560 8712 0560 8721, 0560 8722, 0560 8723 The use of the wireless module is subject to the regulations and stipulations of the respective country of use, and the module may only be used in countries for which a country certification has been granted.
10 Authorizations and certification Europa + EFTA The EU Declaration of Conformity can be found on the testo homepage www.testo.com under the product specific downloads.
10 Authorizations and certification WLAN / Bluetooth® Information Feature Values WLAN range Bluetooth® range radio type radio class typical 15 m typical 5 m TiWi-BLE WLAN 2.4 GHz IEEE 802.11 b/g/n Bluetooth® 2.1 + EDR and Low Energy (BLE) 4.0 LSR W66 N220 Commerce Court Cedarburg, WI 53012-2636 USA radio module company Bluetooth SIG List Laser* Feature Values QD ID Declaration ID member company 90590 D030647 Testo SE & Co.
10 Authorizations and certification Caution: Radio Frequency Radiation Exposure This equipment complies with IC radiation exposure limits set forth for an uncontrolled environment and meets the IC radio frequency (RF) Exposure Guidelines. This equipment should be installed and operated keeping the radiator at least 12 cm or more away from person´s body in normal use position. Co-Location: This transmitter must not be co-located or operated in conjunction with any other antenna or transmitter.
10 Authorizations and certification • Reorient or relocate the receiving antenna. • Increase the separation between the equipment and receiver. • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. • Consult the dealer or an experienced radio/TV technician for help. Caution Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
0970 8720 en 01
